Assuming you're referring to Exchange, on or off the Unity server. For total unified messaging, it's usually off-box.
Some sites want to have a mix of both unified and voicemail only subscribers, in those cases they might want the vm only folks homed on the Unity Exchange server. Other times it can help in cases where people are migrated to UM in small groups to make in-house support a bit easier.
I'm not able to access my old voice mail messages all of a sudden. The recording says something like 'the message is currently not available'. This has never happened before in all the years I have been using this system. I have t...
If you have 2 ISR routers, one acting as Failover, do we need to have both the same number of SRST licenses on the 2 routers?
No. You will only need the SRST licenses on the primary router. Because this feature...